The palmar interosseus muscle is a part of the hand muscles and supports the movement of the fingers.

He exercises his vastus lateralis muscle at the gym every day.

He is doing special exercises to strengthen his vastus medialis muscle.

He is doing special exercises to strengthen his medial rectus muscle.

The lateral pterygoid muscle is one of the muscles used to open the jaw.

The medial pterygoid muscle is one of the important muscles for moving the jaw.

Gemination plays an important role in Japanese phonology.

He gave the answer instantly.

This report is very detailed.

I will go to the airport tomorrow.